But there are things they won't touch it seems, like LoRa support.
Also I might be wrong but so far I don't think you can leverage cool things like ESP-NOW (yet).
All of the provided controls are bad. It's incredibly difficult to get it on the network. The documentation is laughable.
It took me three hours to get a simple RGB strip working. All it had to do was drive three PWM signals. The esp has hardware specifically for that. It took a lot of effort to even find out how to use the LEDC hardware, much less how to assign a pin and hook it to the color picker.
I also wanted to hang an IR LED off it to control my TV and such. No sort of configurable button panel, you get one giant widget per action.
I did eventually get it working, but honestly it would have been so much faster to just write my own firmware to talk to HA directly.